Lockheed Martin completes NGI Stage 2 rocket motor static fire test

Lockheed Martin (NYSE: LMT) announced that the Stage 2 rocket motor for its Next Generation Interceptor (NGI) program successfully completed a static fire test inside a high-vacuum chamber designed to replicate low-Earth orbit conditions, according to a company press release dated Aug. 10, 2026.

The test was conducted by L3Harris Technologies and measured key performance metrics including thrust, chamber pressure and combustion stability, confirming the motor's ability to withstand thermal and pressure stresses expected during interceptor missions.

Christopher Jewell, Lockheed Martin NGI vice president, said the test "confirms our confidence that the NGI motor will meet the demanding performance envelope required for fielding by 2030." He added that data gathered from the test "will directly inform the final interceptor design and accelerate integration with the Ground-Based Midcourse Defense architecture."

The static fire test is described as a milestone toward the program's Critical Design Review. Lockheed Martin stated it is investing in manufacturing facilities in Alabama to support NGI production, incorporating advanced manufacturing techniques and production lines.

The NGI program is intended to enhance the Ground-Based Midcourse Defense architecture, which is designed to counter ballistic missile threats.

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